CSecurityHtmlEntity::decodeString

static function decodeString($pString)
{
	$strY = $pString;
	$str1 = "";
	while($str1 <> $strY)
	{
		$str1 = $strY;
		$strY = self::decode($strY);
		$strY = str_replace("x00", "", $strY);
		$strY = preg_replace("/�+(;|([^d;]))/is", "\2", $strY);
		$strY = preg_replace("/�+(;|([^da-f;]))/is", "\2", $strY);
	}

	return $str1;
}